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Why is it so tough to rank the US's tallest buildings?

By Staff, Digital First Media and wire

Updated:
11/09/2013 06:02:56 AM MST

Why is it so tough to rank the US's tallest buildings?

New York and Chicago are home to five of the tallest buildings in the U.S. But ranking them — and the rest of the world's tallest structures — is more mind-bending than one might think.Lists vary depending on whether you count the broadcast antennas on top or whether you're judging them by highest usable floor. Below is a by-the-numbers rundown on five of the tallest buildings in the U.S. as measured by the Council on Tall Buildings and Urban Habitat, ...